Controlling Rashba spin-orbit interaction in quantum wells by adding symmetric potential


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/70624

Title:	Controlling Rashba spin-orbit interaction in quantum wells by adding symmetric potential
Authors:	Egami, Yoshiyuki Browse this author
Authors:	Akera, Hiroshi Browse this author →KAKEN DB
Issue Date:	1-Jun-2017
Publisher:	IOP Publishing
Journal Title:	Applied Physics Express (APEX)
Volume:	10
Issue:	6
Start Page:	063007
Publisher DOI:	10.7567/APEX.10.063007
Abstract:	The incorporation of a symmetric electrostatic potential into quantum wells (QWs) is proposed as a method for modifying the coefficient a of the Rashba spin-orbit interaction. In a symmetric QW for which a = a(so)E(z), where E-z is the perpendicular electric field, the constant a(so) can be controlled by the symmetric potential. The sign reversal of a(so) with the increasing strength of the symmetric potential is demonstrated in (001)-oriented GaAs/AlGaAs QWs via a tight-binding model. The present findings can be used to realize structures with vanishing a in nonzero E-z.
Rights:	© 2017 The Japan Society of Applied Physics
Type:	article (author version)
URI:	http://hdl.handle.net/2115/70624
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 明楽浩史

OAI-PMH ( junii2 , jpcoar_1.0 )

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